The remove function does not destroy all
BM Pools when per cpu pool is active.
When reloading the mvpp2 as a module the BM Pools
are still active in hardware and due to the bug
have twice the size now old + new.
This eventually leads to a kernel crash.
Signed-off-by: Sven Auhagen <sven.auha...@voleatech.de>
---
drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index 2b5dad2ec650..9d08312c1c47 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -5984,7 +5984,7 @@ static int mvpp2_remove(struct platform_device *pdev)
struct mvpp2 *priv = platform_get_drvdata(pdev);
struct fwnode_handle *fwnode = pdev->dev.fwnode;
struct fwnode_handle *port_fwnode;
- int i = 0;
+ int i = 0, poolnum = MVPP2_BM_POOLS_NUM;
mvpp2_dbgfs_cleanup(priv);
@@ -5998,7 +5998,10 @@ static int mvpp2_remove(struct platform_device *pdev)
destroy_workqueue(priv->stats_queue);
- for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
+ if (priv->percpu_pools)
+ poolnum = mvpp2_get_nrxqs(priv) * 2;
+
+ for (i = 0; i < poolnum; i++) {
struct mvpp2_bm_pool *bm_pool = &priv->bm_pools[i];
mvpp2_bm_pool_destroy(&pdev->dev, priv, bm_pool);
--
2.20.1
